Lady Angela Ryder (1863-1939) (1863–1939) Parents Henry Ryder, 4th Earl of Harrowby Susan Dent Children Donald Swinton Campbell, 2nd Baron Colgrain Rachel Audrey Campbell Marjorie Angela Campbell Angus Dudley Campbell Siblings John Ryder, 5th Earl of Harrowby Edward Ryder Robert Ryder Lady Constance Ryder Lady Margaret Ryder Lady Adelaide Ryder Archibald Ryder Partners Colin Frederick Campbell, 1st Baron Colgrain